1 files changed, 77 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/examples-4/target_update-2.f90 b/libgomp/testsuite/libgomp.fortran/examples-4/target_update-2.f90
new file mode 100644
index 00000000000..3735e5342e4
--- /dev/null
+++ b/libgomp/testsuite/libgomp.fortran/examples-4/target_update-2.f90
@@ -0,0 +1,77 @@
+! { dg-do run }
+
+module e_52_2_mod
+contains
+  subroutine init (v1, v2, N)
+    integer :: i, N
+    real :: v1(N), v2(N)
+    do i = 1, N
+      v1(i) = i + 2.0
+      v2(i) = i - 3.0
+    end do
+  end subroutine
+
+  subroutine init_again (v1, v2, N)
+    integer :: i, N
+    real :: v1(N), v2(N)
+    do i = 1, N
+      v1(i) = i - 3.0
+      v2(i) = i + 2.0
+    end do
+  end subroutine
+
+  subroutine check (p, N)
+    integer :: i, N
+    real, parameter :: EPS = 0.00001
+    real :: diff, p(N)
+    do i = 1, N
+      diff = p(i) - (i * i + (i + 2.0) * (i - 3.0))
+      if (diff > EPS .or. -diff > EPS) call abort
+    end do
+  end subroutine
+
+  logical function maybe_init_again (v, N)
+    real :: v(N)
+    integer :: i, N
+    do i = 1, N
+      v(i) = i
+    end do
+    maybe_init_again = .true.
+  end function
+
+  subroutine vec_mult (p, v1, v2, N)
+    real :: p(N), v1(N), v2(N)
+    integer :: i, N
+    logical :: changed
+    call init (v1, v2, N)
+    !$omp target data map(to: v1, v2) map(from: p)
+      !$omp target
+        !$omp parallel do
+        do i = 1, N
+          p(i) = v1(i) * v2(i)
+        end do
+      !$omp end target
+      changed = maybe_init_again (v1, N)
+      !$omp target update if(changed) to(v1(:N))
+      changed = maybe_init_again (v2, N)
+      !$omp target update if(changed) to(v2(:N))
+      !$omp target
+        !$omp parallel do
+        do i = 1, N
+          p(i) = p(i) + v1(i) * v2(i)
+        end do
+      !$omp end target
+    !$omp end target data
+    call check (p, N)
+  end subroutine
+end module
+
+program e_52_2
+  use e_52_2_mod, only : vec_mult
+  integer :: n
+  real, pointer :: p(:), v1(:), v2(:)
+  n = 1000
+  allocate (p(n), v1(n), v2(n))
+  call vec_mult (p, v1, v2, n)
+  deallocate (p, v1, v2)
+end program